Traffic monitor for electronic telephone system



TRAFFIC MONITOR FOR ELECTRONIC TELEPHONE SYSTEM j Filed March 18, 1955 July 1, 1958 R. B. TROUSDALE 2l Sheets-Sheet 1 21 Sheets-Shea?l 2 July 1, 1958 R. B. TRoUsDALE TRAFFIC MONITOR FOR ELECTRONIC TELEPHONE SYSTEM Filed March 18, 1955 July 1, 1958 R. B. TRousDALE 2,841,657

TRAFFIC MONITOR FOR ELECTRONIC TELEPHONE SYSTEM 21 Sheets-Sheet 3 Filed March 18, 1955 July 1, 1958 R. B. TRousDALE 2,841,657

TRAFFIC MNITOR FORELECTRONIC TELEPHONE SYSTEM Filed March 18, 1955 2l Sheets-Sheet 4 ltn usdule y v my mwN

July 1, 1958 R. B. TROUSDALE 2,841,657

TRAFFIC MONITOR FOR ELECTRONIC TELEPHONE SYSTEM 21 Sheets-Sheet' 5 Filed March 18, 1955 TRAFFIC MONITOR FOR ELECTRONIC TELEPHONE SYSTEM Filed March 18, 1955 July 1, 1958 R. B. TRoUsDALE 21 Sheets-Sheet 6 July 1, 1958 2,841,657

TRAFFIC MONITOR FOR ELECTRONIC TELEPHONE SYSTEM R. B. TROUSDALE 2l Sheets-Sheet T Filed March 18, 1955 @mgl July 1, 1958 Filed March 18, 1955 R. B. TRoUsDALE 2,841,657 TRAFFIC MONITOR FOR'ELECTRONIC TELEPHONE SYSTEM zlsheets-sheet s INVENTOR.

July 1, 1958 R. B. TROUSDALE 2,841,657

TRAEEIO MONITOR EOR ELECTRONIC TELEPHONE SYSTEM Filed March 18, 1955 2l Sheets-Sheet g 4 7@ *mmm/vals lz'croy Seconds INVEN TOR.

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lTPUWEIO MONITOR FOR ELECTRONIC TELEPHONE SYSTEM Filed March 18, 1955 21 Sheets-Sheet 15' imm o mdom .mon WLSONG m56 July l, 1958 R. B. TRoUsDALE 2,841,557

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TRAFFIC MONITOR FOR ELECTRONIC TELEPHONE SYSTEM Filed March 18, 1955 21 Sheets-Sheet 17 il: s

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TRAFFIC MONITOR ROR ELECTRONIC TELEPHONE SYSTEM 21 Sheets-Sheet 18 Filed March 18, 1955 SPLAY 6/ 6l 0/2/ 4/ 6/8/0/ 2/4/ 6/8/ 0/2/4/ 6/8/-0/ 2/4/6/8/ 0/2/ 4l 6/8/ O/ 2/4/ 6/6/6/2/ n {IvV VEN TOR. Rnb eri 18.1fronsdn1e BY July 1, 1958 R. B. TROUSDALE 2,841,657

TRAFFIC MONITOR ECR ELECTRONIC TELEPHONE SYSTEM 21 Sheets-Sheet 19 Filed March 18, 1955 July 1, 1958` R. B. TROUSDALE 2,841,657

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